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/*
Hurry Curry! - a game about cooking
Copyright 2024 metamuffin
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3 of the License only.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use crate::sprite_renderer::SpriteRenderer;
use hurrycurry_protocol::{glam::IVec2, TileIndex};
use sdl2::rect::{FRect, Rect};
use std::collections::HashMap;
#[derive(Default)]
pub struct Tilemap {
tile_srcs: Vec<[Rect; 16]>,
tiles: HashMap<IVec2, (Rect, FRect)>,
}
impl Tilemap {
pub fn init(&mut self, tile_names: &[String], sprite_rects: &HashMap<String, Rect>) {
self.tile_srcs = tile_names
.iter()
.map(|name| {
let fallback = sprite_rects
.get(&format!("{name}+a"))
.copied()
.unwrap_or(Rect::new(0, 0, 0, 0));
[
sprite_rects.get(&format!("{name}+")),
sprite_rects.get(&format!("{name}+w")),
sprite_rects.get(&format!("{name}+e")),
sprite_rects.get(&format!("{name}+we")),
sprite_rects.get(&format!("{name}+n")),
sprite_rects.get(&format!("{name}+wn")),
sprite_rects.get(&format!("{name}+en")),
sprite_rects.get(&format!("{name}+wen")),
sprite_rects.get(&format!("{name}+s")),
sprite_rects.get(&format!("{name}+ws")),
sprite_rects.get(&format!("{name}+es")),
sprite_rects.get(&format!("{name}+wes")),
sprite_rects.get(&format!("{name}+ns")),
sprite_rects.get(&format!("{name}+wns")),
sprite_rects.get(&format!("{name}+ens")),
sprite_rects.get(&format!("{name}+wens")),
]
.map(|e| e.copied().unwrap_or(fallback))
})
.collect();
}
pub fn set(&mut self, pos: IVec2, tile: Option<TileIndex>, neighbors: [Option<TileIndex>; 4]) {
let Some(tile) = tile else {
self.tiles.remove(&pos);
return;
};
let mut idx = 0;
idx |= 0b0100 * (Some(tile) == neighbors[0]) as usize;
idx |= 0b0001 * (Some(tile) == neighbors[1]) as usize;
idx |= 0b1000 * (Some(tile) == neighbors[2]) as usize;
idx |= 0b0010 * (Some(tile) == neighbors[3]) as usize;
let src = self.tile_srcs[tile.0][idx];
self.tiles.insert(
pos,
(
src,
FRect::new(
pos.x as f32,
pos.y as f32 + 1. - src.height() as f32 / 24.,
src.width() as f32 / 32.,
src.height() as f32 / 24.,
),
),
);
}
pub fn draw(&self, ctx: &mut SpriteRenderer) {
for &(src, dst) in self.tiles.values() {
ctx.draw(dst.y + dst.h, src, dst);
}
}
}
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